How are all of the observed properties of stars (Luminosity,
Mass, Radius, Temperature and Spectral Type) related to one another?
This lecture introduces the Herzsprung-Russell Diagram, a plot of
Luminosity versus Temperature for stars that is our most powerful tool
for unlocking the secrets of the stars.
Recorded 2006 January 17 in 1008 Evans Laborator ... Show More
Jun 2009
Telescopes that Rocked Our World
This year marks the 400th anniversary of Galileo’s use of the first telescope. On this week’s show, we reflect on how telescopes have shifted our perspective on how small we are in size, space, and time. We also discuss how they help astronomers discover new and interesting aspec ... Show More
56 m